CN206080496U - Optical scan formula blood vessel hardness tester and wearable device - Google Patents

Abstract

The utility model provides an optical scan formula blood vessel hardness tester and wearable device. This optical scan formula blood vessel hardness tester includes two at least photoelectric sensor modules, and two photoelectric sensor modular spacing no. 1 set for the distance, and every photoelectric sensor module includes a light sensor and a control module, and control module is connected with the light sensor electricity, and control module receives the signal of light sensor acquisition and converts hardness tester 2 into, and light sensor includes: laser emitter launches first laser, the fiber waveguide part is received first laser and is second laser and reference light along separate routes, light guides the output unit, receives and adjust second laser in order to form third laser, makes the 3rd laser energy enough incide the blood vessel, and light guides the output unit to include 1 to M's multichannel fiber waveguide array or 1 to N light waveguide switch. The utility model provides a pair of optical scan formula blood vessel hardness tester has adopted the coherent detection method, and the test result is accurate, repeatability is high and the low power dissipation.

Description

A kind of optical scanner formula blood vessel hardness analyzer and wearable device

Technical field

The utility model belongs to the care appliance technical field in electronic medical equipment, more particularly, to assesses cardiovascular A kind of optical scanner formula blood vessel hardness analyzer of function and wearable device.

Background technology

Angiocardiopathy is to cause the number one killer of human death, and China has every year 3500000 people to die from angiocardiopathy.It is dynamic Arteries and veins hardening is the common pathophysiological basis of most angiocardiopathies, while being also the blood with aging and non-health life style Pipe pathology.Artery sclerosis can cause the ischemic lesions of respective regions, cause the hearts such as coronary heart disease, cerebral apoplexy, ischemic nephropathy, The organ injuries such as brain, kidney.Therefore, positive examination to artery sclerosis, early diagnosis and rationally intervene to prevention and cure of cardiovascular disease, Raising quality of life, prolongation life-span are significant.

The detection of arterial stiffness at present is mainly Non-invasive detection.The Interventional detection of contrast agent application is invasive, mainly There is making a definite diagnosis and treating for patients with symptom for clinic.Non-invasive detection mainly has two big class, and a class is to use the instruments such as ultrasonic wave straight Connect the extent of reaction of measurement tunica media of artery thickness, Patch size or artery to vasodilator；Another kind of is to use light Power Capacity (PPG) method is obtained indirectly by measurement pulse wave conduction speed (PWV), because during artery sclerosis, PWV accelerates.In recent years Research show artery, especially aortic PWV is the independent parameter of predicting cardiovascular event.Additionally, by arteria carotis to stock The PWV (cfPWV) or arteria brachialis of artery to ankle artery PWV (abPWV) and hypertension, high fat of blood etc. into positive correlation.PPG side Method mainly applies (near) infrared light photoelectric measurement method, blood red in blood using infrared light emitting diode (LED) irradiation skin The change of the absorbance of albumen and change the light of percutaneous skin reflection, the light intensity of reflected light is measured and pulse is obtained indirectly Ripple.Time difference between detection two or 2 pulse wave peaks can obtain the conduction time (PTT) of pulse wave, divided by pulse The body surface distance of ripple conduction draws PWV.The PTT of PPG methods also can be by electrocardiogram (ECG) and pulse wave between time difference ask .

Both the above non-invasive detection methods are generally required for hospital, and by professional hardware check is operated, expensive, It is costly, need to pay every time, it has not been convenient to.And measurement result is easily affected by subjective and external environment, and accurate rate is low, repeatability Difference.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of optical scanner formula blood vessel hardness analyzer and wearable Device, facilitates family to use, and can whenever and wherever possible detect blood vessel hardness.

To solve above-mentioned technical problem, the utility model provides a kind of optical scanner formula blood vessel hardness analyzer, including to Few two photoelectric sensor modules, two photoelectric sensor modules are spaced a setpoint distance, each described photoelectric sensor Module includes an optical sensor and a control module, and the control module is electrically connected with the optical sensor, the control Module receives the signal of the optical sensor acquisition and is converted to pulse wave signal, and the optical sensor includes：

Generating laser, launches first laser；

Branch optical waveguide component, receives the first laser and branch is second laser and reference light；

Light guides output block, receives and adjust the second laser to form the 3rd laser, enables the 3rd laser Blood vessel is enough incided, the light guiding output block includes the 1 multichannel optical waveguide array for arriving M or 1 to N optical waveguide switches；

Light guides input block, receives and adjust the 4th laser from the vasoreflex to form the 5th laser, described Light guiding input block includes the 1 multichannel optical waveguide array for arriving M or 1 to N optical waveguide switches；

Receiving light path part, including double optical interferometers, reception the 5th laser and the reference light are Jing after two-way interference Form the 6th laser；

Photo-detector, receives the 6th laser；

Wherein M, N are for integer and more than 1.

According to one embodiment of the present utility model, the setpoint distance is 0.5cm～3cm.

According to one embodiment of the present utility model, described 1 to M multichannel optical waveguide array includes multistage 1 to 2 light splitting Optical path unit, the phase place of light beam in being provided with phase controlling part to change the transmission light path in the transmission light path on all M roads； Described 1 includes multistage 1 to 2 optical waveguide switch unit to N optical waveguide switches, double in each described optical waveguide switch unit Transmission light path is provided with the phase controlling part.

According to one embodiment of the present utility model, the phase controlling part includes being arranged in the transmission light path Metallic film, the phase controlling part is by being powered heating to the metallic film to adjust the material for transmitting light path Refractive index.

According to one embodiment of the present utility model, the phase controlling part includes liquid crystal layer and bipolar electrode, the liquid Crystal layer is arranged in the transmission light path, and the bipolar electrode is arranged on the liquid crystal layer, and the phase controlling part is by changing Become the voltage of the bipolar electrode to adjust the refractive index of the liquid crystal layer.

According to one embodiment of the present utility model, the phase controlling part includes polymeric layer and bipolar electrode, described Polymeric layer is arranged in the transmission light path, and the bipolar electrode is arranged on the polymeric layer, the phase controlling part By the refractive index for changing the voltage of the bipolar electrode to adjust the polymeric layer.

According to one embodiment of the present utility model, also including the first lenticule and the second lenticule, the 3rd laser The blood vessel is reached through first lenticule；It is defeated that 4th laser reaches the light guiding through second lenticule Enter part.

According to one embodiment of the present utility model, first lenticule and the second lenticule are layer structure, comprising Multilayer has the silicon oxynitride layer of different refractivity.

The utility model additionally provides a kind of wearable device, including table body and the watchband that is connected with the table body, described Table body includes aforesaid optical scanner formula blood vessel hardness analyzer.

According to one embodiment of the present utility model, the table body also includes message processing module, display module, power supply mould Block, communication module and d GPS locating module, the power module be electrically connected the optical scanner formula blood vessel hardness analyzer, The display module, communication module and d GPS locating module.

A kind of optical scanner formula blood vessel hardness analyzer and wearable device that the utility model is provided, employ relevant inspection Survey method, drastically increases the signal to noise ratio of receiving terminal, convenient use and energy consumption is low, and accurately, repeatability is high for test result.This Outward, employ optical waveguide array with reference to the mode of phase controlling to change the directive property of focused laser beam to improve laser energy Utilization rate, so as to reducing the requirement to laser power and reducing the overall power consumption of system accordingly.

Description of the drawings

It is that the utility model is further understood to provide including accompanying drawing, they are included and constitute of the application Point, accompanying drawing shows embodiment of the present utility model, and plays a part of to explain the utility model principle together with this specification. In accompanying drawing：

Fig. 1 shows the structural representation of the blood vessel hardness analyzer of one embodiment of the present of invention.

Fig. 2 shows the structural representation of the optical sensor of the utility model one embodiment.

Fig. 3 shows that the structure of the multichannel optical waveguide array of the 1 to M of the optical sensor of the utility model one embodiment is shown It is intended to.

Fig. 4 shows that the structural representation of N optical waveguide switches is arrived in the 1 of the optical sensor of the utility model one embodiment.

Fig. 5 A show the structural representation of common fiber waveguide in prior art.

Fig. 5 B are the overlooking the structure diagrams of Fig. 5 A.

Fig. 6 A are the structural representations () that phase controlling part is provided with Fig. 5 A.

Fig. 6 B are the structural representations (two) that phase controlling part is provided with Fig. 5 A.

Fig. 6 C are the structural representations (three) that phase controlling part is provided with Fig. 5 A.

Fig. 7 A show an output channel and the first lenticular perspective of light guiding output block of the present utility model Figure.

Fig. 7 B are the side structure schematic diagrams of Fig. 7 A.

Fig. 8 shows the structural representation of the branch optical waveguide component of the optical sensor of the utility model one embodiment.

Fig. 9 shows the structural representation of the receiving light path part of the optical sensor of the utility model one embodiment.

Figure 10 shows the structural representation of the photo-detector of the optical sensor of the utility model one embodiment.

Figure 11 shows the structural representation of one embodiment of wearable device of the present utility model.

Figure 12 shows the structural representation of one embodiment of wearable device table body of the present utility model.

Specific embodiment

Now with detailed reference to Description of Drawings embodiment of the present utility model.In the case of any possible, all attached To mark to represent same or analogous part using identical in figure.Although additionally, the term used in the utility model It is to select from public term, but some terms mentioned in the utility model specification are probably applicant Come selection, the explanation in the relevant portion of description herein of its detailed meanings by his or her judgement.In addition, it is desirable to not only Pass through used actual terms, and the meaning for being also to be contained by each term to understand the utility model.

The utility model provides a kind of a kind of using CVD technology realization, the optical scanner based on fiber waveguide platform Formula blood vessel hardness analyzer.Fig. 1 shows the structural representation of the blood vessel hardness analyzer of the utility model one embodiment.Should Optical scanner formula blood vessel hardness analyzer includes at least two optical sensors 11,12, and two intervals of optical sensor 11,12 one set The fluctuation profile 102 for being labelled with pulse wave near blood vessel 101 on blood vessel 101 is positioned over after distance.Need explanation It is that unrestricted as an example, blood vessel 101 can be appointing in C Pneumoniae, arteria brachialis, femoral artery, arteria carotis, arteria dorsalis pedis etc. It is a kind of.In one embodiment, blood vessel hardness analyzer also includes an electronic building blocks (not shown).The electronic building blocks The conduction of velocity (PWV) of the pulse wave of blood vessel 101 is calculated for receiving pulse wave that two optical sensors 11,12 are obtained, And then obtain blood vessel hardness result.Within same cardiac cycle, pulse wave from optical sensor 11 travel to optical sensor 12 when Between it is poor, be exactly pulse wave translation time (PTT).PWV of the pulse wave in local intra-arterial can be calculated from the PTT of measurement.For example The conduction of velocity PWVn of the shallow any local intra-arterial of body table is obtained, blood vessel hardness analyzer is arranged to the local intra-arterial position Put, the pulse wave conduction speed PWVn of local intra-arterial is obtained by formula PWVn=L/PTTn.Wherein, L be two sensors 11, The distance between 12, PTTn are the pulse wave translation times of local intra-arterial, and its measurement is passed through by the same pulse wave of local intra-arterial Time difference between two sensors 11,12 measures.Likewise, by the pulse wave conduction speed cfPWV of arteria carotis to femoral artery, Arteria brachialis to the pulse wave conduction speed abPWV of ankle artery also can use similar method to measure.The blood that the utility model is provided Pipe hardness analyzer does not need electrocardiogram (ECG) to aid in for PTT measurements and PWV are calculated.

Further, the conduction of velocity PWVa of sustainer can be detected by blood vessel hardness analyzer.PWVa=Ln/ PTTa, wherein, Ln is the distance of sternal notch and abdominal aorta turnoff (navel), can manually measure acquisition, PTTa It is the time difference between the first contraction peak (P1) of the same pulse waveform of sustainer and the crest (P2) of back wave.

In one embodiment, setpoint distance is 0.5cm～3cm between two sensors 11,12.

Fig. 2 shows the structural representation of the optical sensor of the utility model one embodiment.As shown in Fig. 2 with light biography Illustrate as a example by sensor 11, it includes that generating laser 20, branch optical waveguide component 70, light guiding output block 40, light draw Lead input block 50 and receiving light path part 80.Wherein, generating laser 20 launches first laser 121.Branch fiber waveguide portion Part 70 receives first laser 121 and branch first laser 121 is second laser 124 and reference light 122.The light of second laser 124 Beam is introduced in light guiding output block 40, and light guiding output block 40 is received and adjusts second laser 124 and swashed with forming the 3rd Light 43, the 3rd laser 43 can incide blood vessel 101.As illustrated, being labelled with the fluctuation profile of pulse wave on blood vessel 101 102.The information of pulse wave is loaded with from the 4th laser 53 of the reflection of blood vessel 101, light guiding input block 50 is received and adjusts the 4th The 5th laser 125 is exported after laser 53.5th laser 125 and reference light 122 realize that two-way is interfered on receiving light path part 80, Received light path part is after 80s to form the 6th laser 123.Photo-detector 30 receives the 6th laser 123.

To improve the detection validity of laser beam, optical sensor of the present utility model 11 is to second laser 124 and the 4th The directive property of laser 53 (reflected light light beam) is all controlled by, and vascular pulsation most strength can be found with adjust automatically.Light is guided Output block 40 and light guiding input block 50 realize respectively the incident and outgoing of laser beam.Wherein light guides output block 40 , to N optical waveguide switches, wherein M, N are for integer and more than 1 for multichannel optical waveguide array or 1 including 1 to M；Likewise, light guiding is defeated , to N optical waveguide switches, wherein M, N are for integer and more than 1 for the multichannel optical waveguide array or 1 for entering part 50 including 1 to M.

Specifically, as shown in Fig. 2 fluctuate the mark of profile 102 is the tube wall of the blood vessel 101 that pulse wave is caused Volt, pulse rises and falls can change the light beam of exploring laser light.3rd laser 43 (incident beam) reaches blood vessel 101, via the table of blood vessel 101 The light path of the 4th laser 53 (the reflected beams) of cutaneous reflex changes, so as to cause the phase place change of laser beam.

In one embodiment, 1 to M multichannel optical waveguide array includes multistage 1 to 2 light splitting optical path unit, and arrives 1 Each output light path after the multichannel light splitting on M roads is provided with phase controlling part.Fig. 3 shows the utility model one embodiment Optical sensor 1 to M multichannel optical waveguide array structural representation.The fiber waveguide battle array on 1 to 8 tunnels is illustrated that in figure Row 46, include 3 grade 1 to 2 of light splitting optical path unit 41, and phase controlling part 42 is provided with each output light path.Second swashs The Jing of light 124 light splitting optical path units 41 at different levels form 8 tunnel output lights, and phase controlling part 42 can adjust the phase per output light all the way Position, all phase controlling parts 42 can co-ordination, realize the Angle ambiguity of the 3rd laser 43 (incident beam).

In another embodiment, 1 to N multichannel optical waveguide switch includes multistage 1 to 2 optical waveguide switch unit, and Phase controlling part is provided with double transmission light paths of each optical waveguide switch unit.Fig. 4 shows one reality of the utility model Apply example optical sensor 1 to N optical waveguide switches structural representation.The optical waveguide switch on 1 to 8 tunnels is illustrated that in figure 47,3 grade 1 to 2 of optical waveguide switch unit 71 is included, it is provided with phase in double transmission light paths of each optical waveguide switch unit 71 Position control unit 42.The Jing of second laser 124 optical waveguide switch units 71 at different levels form 8 tunnel output lights.The energy of phase controlling part 42 The phase place of the output light of each optical waveguide switch unit 71 is enough adjusted, i.e., channel selecting is carried out to output light.All phase controllings Part 42 can co-ordination, realize the 3rd laser 43 (incident beam) passage control.In one embodiment, fiber waveguide is opened Close unit 71 and adopt MZI (Mach-Zehnder interferometer, Mach-Cen Deer interferometers) structure.

In the same manner, light guiding input block 50 can also be include 1 to M multichannel optical waveguide array or 1 to N fiber waveguide open Close, wherein M, N are for integer and more than 1.Light guiding input block 50 can be controlled by the angle of reflected light light beam or passage.

Even if optical sensor 11 changes with the relative position of blood vessel 101, output block 40 and light is guided to draw by light Control of the input block 50 to the directive property of laser beam is led, remains to keep the validity of detection.For example walking, the fortune such as run During dynamic, optical sensor 11 can change with the relative position of blood vessel 101, and the signal to noise ratio of receiving light path part 80 is reduced, After finding that signal to noise ratio is reduced the control module of optical sensor 11 can closed loop change phase controlling part 42, by phase control division Part 42 adjusting the angle or passage of laser beam so that blood vessel hardness analyzer possesses autotrace, Neng Goubao Demonstrate,proving the 3rd laser 43 can incide on blood vessel 101, and the 5th laser can be received by receiving light path part 80, and then realize detection Validity, reduce power consumption and improve sensitivity.

Fig. 5 A show the structural representation of common fiber waveguide in prior art.Fig. 5 B are that the plan structure of Fig. 5 A is illustrated Figure.As illustrated, transmission channel (basic waveguiding structure) generally includes substrate 61, covering 62 and core waveguide 66.Laser beam Can enter from the side of core waveguide 66, opposite side goes out.

Fig. 6 A are the structural representations () that phase controlling part is provided with Fig. 5 A.Fig. 6 B are provided with Fig. 5 A The structural representation (two) of phase controlling part.Fig. 6 C are the structural representations that phase controlling part is provided with Fig. 5 A (3).Unrestricted as an example, phase controlling part 42 can be one kind of following 3 kinds of structures.

With reference to Fig. 6 A, phase controlling part 42 includes the metallic film 63 being arranged on the covering 62 of output light path.Change speech It, metallic film 63 can be deposited on covering 62.Phase controlling part 42 is by the heating that is powered to metallic film 63 to adjust The refractive index of covering 62.

With reference to Fig. 6 B, phase controlling part 42 includes liquid crystal cell layer 64,67 and bipolar electrode 65.Liquid crystal cell layer 64,67 Can be respectively liquid crystal packaged glass layer and liquid crystal material layer.Liquid crystal cell layer 64,67 is stacked on the covering 62 of output light path, Liquid crystal material can be injected on covering 62 in manufacture craft, bipolar electrode 65 is arranged on liquid crystal layer 64.The folding of liquid crystal material The rate of penetrating can be changed by electric field, and phase controlling part 42 adjusts liquid crystal cell layer 64,67 by changing the voltage of bipolar electrode 65 Refractive index.

With reference to Fig. 6 C, phase controlling part 42 includes polymeric layer 68 and bipolar electrode 65.Polymeric layer 68 is arranged on output On the covering 62 of light path, polymeric material can be injected on covering 62 in manufacture craft, bipolar electrode 65 is arranged on polymer On layer 68.Because the refractive index of polymeric material again may be by electric field change, phase controlling part 42 is by changing The voltage of bipolar electrode 65 is adjusting the refractive index of polymeric layer 68.

Change the directive property of focused laser beam by the phase controlling of phase controlling part 42 to improve laser energy Utilization rate, so as to reducing the requirement to laser power and reducing power consumption accordingly, therefore overall low in energy consumption, effective of system Reduces cost, and accurate credible, the repeated height of test result.

In one embodiment of the present utility model, optical sensor 11 also includes the first lenticule and the second lenticule.The Three laser 43 reach blood vessel 101 through the first lenticule, and the 4th laser 53 reaches light guiding input block through the second lenticule 50.It is preferred that the first lenticule and light guiding output block 40 are integrally formed.First lenticule can be by wafer growth work Skill is produced, and the first lenticule is arranged on the output end of waveguide array 41.

It should be understood that the first lenticule and the second lenticule can also realize light beam using discrete optical lens Focussing force.

Fig. 7 A show an output channel and the first lenticular perspective of light guiding output block of the present utility model Figure.Fig. 7 B are the side structure schematic diagrams of Fig. 7 A.With an output channel of the output end of light guiding output block 40 and one Illustrate as a example by first lenticule 48.With reference to Fig. 7 B, left side is an output of the output end of light guiding output block 40 Path, right side is the first lenticule 48.Output channel (basic waveguiding structure) includes substrate 61, covering 62 and core waveguide 66. Covering 62 is grown in substrate 61 by high-temperature oxidation process, and core waveguide 66 is through the output channel and the first lenticule 48. First lenticule 48 is layer structure, has the silicon oxynitride of different refractivity comprising the multilayer being arranged on around core waveguide 66 Layer 69-1,69-2,69-3.Each layer silicon oxynitride layer 69-1,69-2,69-3 is grown on next layer by deposition process.It is true On, two-layer or three layers of silicon oxynitride layer can be set below core waveguide 66, it is also possible to below core waveguide 66 Two-layer or three layers of silicon oxynitride layer are set, and each layer passes through process reform into the silicon oxynitride layer with different refractivity. From core waveguide 66 more away from silicon oxynitride layer refractive index it is lower.Example is embodied as with multichannel optical waveguide array, laser beam from The left side of core waveguide 66 enters, and what is given off by the first lenticule 48 is all identical elliptic conic shape light beam, and these are ellipse Conical shaped beam shooting angle is consistent.Guide defeated because the phase place of each light beam of the 3rd laser 43 is controlled by its corresponding light Go out the phase controlling of part 40, when these light beams are superimposed in far field, according to different controlled phases, far field beams can be in difference Locus form controllable constructive or destructive interferences, that is to say, that the controllable convergence and scanning of laser beam can be realized. In actual applications, these controllable focus on light beam can be set the precalculated position corresponding with blood vessel 101.

The structure and operation principle of the second lenticule 52 is identical with the first lenticule 48.Swash from the 4th of the reflection of blood vessel 101 the Light 53 reaches light guiding input block 50 through the second lenticule.

On the other hand, generating laser 20 can adopt near-infrared laser transmitter, and its sharpest edges is that laser has High luminous efficiency and luminous intensity, and the light beam of near infrared laser has good directionality, can effectively focus on In the vascular site for needing monitoring.Simultaneously as the good live width quality of near infrared laser so that return from vasoreflex Light realizes relevant detection after converging with the local reference light in part.

Fig. 8 shows the structural representation of the branch optical waveguide component of the optical sensor of the utility model one embodiment. As illustrated, branch optical waveguide component 70 includes a 2X2 photo-coupler 71.Photo-coupler 71 realizes 1 to 2 light splitting function. First laser 121 is split into second laser 124 and reference light 122.

Fig. 9 shows the structural representation of the receiving light path part of the optical sensor of the utility model one embodiment.Connect Receiving light path part 80 includes double optical interferometers of a 2X4, and this pair of optical interferometer is combined by the coupler 71 of four 2X2. Reference light 122 is produced with the 5th laser 125 through the coupler 71 of four 2X2 has the 6th of two pairs of mutually long/cancellation output to swash Light 123.

Figure 10 shows the structural representation of the photo-detector of the optical sensor of the utility model one embodiment.Optical detection Device 30 is made up of two independent balanced detectors 31,32, with balance type structure.Balanced detector 31,32 separately detects Two couple of six laser 123 mutually grows/cancellation output signal.With reference to shown in Fig. 2, photo-detector 30 receives the 6th laser 123 and (interferes letter Number), the 6th laser 123 contains the abundant information of the pulse wave of blood vessel 101, and these interference signals are in the control module through mould Number sample conversions, can be passed to electronic building blocks after the operation such as denoising with carry out the data analyses such as pulse wave so as to Obtain blood vessel Hardness results.

The utility model also describes a kind of wearable device.Figure 10 shows the one of wearable device of the present utility model The structural representation of individual embodiment.As illustrated, the wearable device 100 includes table body 110 and the watchband being connected with table body 110 120, table body 110 includes aforesaid optical scanner formula blood vessel hardness analyzer.Watchband 120 is suitable to the wrist of laminating user, enters one Step improves the detection accuracy of wearable device 100.Wearable device 100 by optical scanner formula blood vessel hardness analyzer come The blood vessel hardness of measurement human body.

Figure 12 shows the structural representation of one embodiment of wearable device table body of the present utility model.As schemed Show, table body 110 also includes (built-in) message processing module 112, display module 113, power module 114, the and of communication module 115 D GPS locating module 116.Power module 114 is electrically connected optical scanner formula blood vessel hardness analyzer 118, message processing module 112nd, display module 113, communication module 115 and d GPS locating module 116.Message processing module 112, and provide them electric power. Message processing module 112 can obtain detection data from optical scanner formula blood vessel hardness analyzer 118, and by display module 113 showing.Message processing module 112 can also be wirelessly transmitted to the testing result signal of acquisition by communication module 115 On the intelligent artifact such as ancillary equipment, such as computer, mobile phone or iPAD, in order to ancillary equipment off-line analysis, display processing are carried out With long-range monitoring.

It should be understood that table body 110 can be supervised with built-in timing module, three axle Gravity accelerometers or physiologic information Survey module.These modules coordinate with the optical sensor of optical scanner formula blood vessel hardness analyzer 118 so that wearable device 100 has Having can record many kinds of parameters, for example, remember the characteristics of step, alarm clock, multi-functional detection such as positioning/navigation.

A kind of optical sensor and wearable device that the utility model is provided employs coherence detection, greatly improves The signal to noise ratio of receiving terminal.Meanwhile, employ optical waveguide array or optical waveguide switch with reference to the mode of phase controlling to change focusing The directive property of laser beam to improve the utilization rate of laser energy, so as to reduce requirement to generating laser power and corresponding The overall power consumption of reduction system.So that the features such as wearable device has small volume, easy to carry, low in energy consumption, stand-by time is long, It is capable of the function of real-time detection analysis human blood-pressure, user can be convenient on the premise of not affecting work, study and moving Quickly understand the health status of itself；Can also at the volley in real time, accurately, uninterruptedly recorded heart rate come realize safety, Effective body-building purpose.Testing result can be wirelessly transmitted to mobile phone and be stored by the communicator that it has, with mobile phone app come Show, can also upload onto the server, analyze for big data and process, and assist tele-medicine.

Those skilled in the art can be obvious, can carry out various modifications and change to above-mentioned example embodiment of the present utility model Type is without departing from spirit and scope of the present utility model.Accordingly, it is intended to make the utility model cover in appended claims And its in the range of equivalent arrangements to modification of the present utility model and modification.

Claims (10)

1. a kind of optical scanner formula blood vessel hardness analyzer, it is characterised in that including at least two photoelectric sensor modules, two The photoelectric sensor module is spaced a setpoint distance, and each described photoelectric sensor module includes an optical sensor and one Control module, the control module is electrically connected with the optical sensor, and the control module receives what the optical sensor was obtained Signal is simultaneously converted to pulse wave signal, and the optical sensor includes：

Generating laser, launches first laser；

Branch optical waveguide component, receives the first laser and branch is second laser and reference light；

Light guides output block, receives and adjust the second laser to form the 3rd laser, the 3rd laser is entered Blood vessel is mapped to, the light guiding output block includes the 1 multichannel optical waveguide array for arriving M or 1 to N optical waveguide switches；

Light guides input block, receives and adjust the 4th laser from the vasoreflex to form the 5th laser, and the light draws The multichannel optical waveguide array or 1 that input block is led including 1 to M is to N optical waveguide switches；

Receiving light path part, including double optical interferometers, receive the 5th laser and the reference light and are formed Jing after two-way interference 6th laser；

Photo-detector, receives the 6th laser；

Wherein M, N are for integer and more than 1.

2. a kind of optical scanner formula blood vessel hardness analyzer as claimed in claim 1, it is characterised in that the setpoint distance is 0.5cm～3cm.

3. a kind of optical scanner formula blood vessel hardness analyzer as claimed in claim 1, it is characterised in that described 1 to M multichannel Optical waveguide array include multistage 1 to 2 light splitting optical path unit, phase controlling part is provided with the transmission light path on all M roads with Change the phase place of light beam in the transmission light path；Described 1 includes multistage 1 to 2 optical waveguide switch unit to N optical waveguide switches, The phase controlling part is provided with double transmission light paths in each described optical waveguide switch unit.

4. a kind of optical scanner formula blood vessel hardness analyzer as claimed in claim 3, it is characterised in that the phase control division Part includes the metallic film being arranged in the transmission light path, and the phase controlling part is added by being powered to the metallic film The warm refractive index to adjust the material of the transmission light path.

5. a kind of optical scanner formula blood vessel hardness analyzer as claimed in claim 3, it is characterised in that the phase control division Part includes liquid crystal layer and bipolar electrode, and the liquid crystal layer is arranged in the transmission light path, and the bipolar electrode is arranged on the liquid crystal On layer, the phase controlling part adjusts the refractive index of the liquid crystal layer by the voltage of the change bipolar electrode.

6. a kind of optical scanner formula blood vessel hardness analyzer as claimed in claim 3, it is characterised in that the phase control division Part includes polymeric layer and bipolar electrode, and the polymeric layer is arranged in the transmission light path, and the bipolar electrode is arranged on described On polymeric layer, the phase controlling part adjusts the refraction of the polymeric layer by the voltage of the change bipolar electrode Rate.

7. a kind of optical scanner formula blood vessel hardness analyzer as claimed in claim 1, it is characterised in that also micro- including first Mirror and the second lenticule, the 3rd laser reaches the blood vessel through first lenticule；4th laser is through institute State the second lenticule and reach the light guiding input block.

8. a kind of optical scanner formula blood vessel hardness analyzer as claimed in claim 7, it is characterised in that first lenticule It is layer structure with the second lenticule, there is the silicon oxynitride layer of different refractivity comprising multilayer.

9. a kind of wearable device, it is characterised in that including table body and the watchband being connected with the table body, the table body include as The arbitrary described optical scanner formula blood vessel hardness analyzer of claim 1 to 8.

10. a kind of wearable device as claimed in claim 9, it is characterised in that the table body also include message processing module, Display module, power module, communication module and d GPS locating module, the power module is electrically connected the optical scanner formula Blood vessel hardness analyzer, the display module, communication module and d GPS locating module.